Android_tablayout

compile 'com.android.support:design:26.0.0-alpha1'

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    tools:context="com.example.lian.MainActivity"><android.support.design.widget.TabLayout
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:id="@+id/tabLayout"
        app:tabIndicatorColor="@color/colorAccent"
        android:background="#fff"
        app:tabMode="scrollable"
        app:tabSelectedTextColor="@color/colorPrimaryDark"
        app:tabTextColor="#000"
        app:tabIndicatorHeight="4dp"></android.support.design.widget.TabLayout><android.support.v4.view.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/tabLayout"
       />
</LinearLayout>

//隐藏不占位GONE

package com.example.lian;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class NewFragment extends Fragment {private View v;@Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {super.onCreateView(inflater, container, savedInstanceState);v = View.inflate(getActivity(), R.layout.listview, null);return v;}@Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {super.onActivityCreated(savedInstanceState);//获取传递过来的参数  可以根据接收过来的信息做网络请求
        String string = getArguments().getString("name", "柴晓凯");TextView shuju = v.findViewById(R.id.shuju);if(string.equals("h")){shuju.setText(string);shuju.setVisibility(View.GONE);}else{shuju.setText(string);shuju.setVisibility(View.VISIBLE);}}
}

package com.example.lian;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import java.util.ArrayList;public class MainActivity extends FragmentActivity {private TabLayout tabLayout;private ViewPager viewPager;private ArrayList<String> titleList = new ArrayList<String>();private MPagerAdapter mPagerAdapter;@Override
    protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tabLayout = (TabLayout) findViewById(R.id.tabLayout);viewPager = (ViewPager) findViewById(R.id.viewPager);titleList.add("张三");titleList.add("李四");//ctrl+p 提示参数的快捷键
        mPagerAdapter = new MPagerAdapter(getSupportFragmentManager());viewPager.setAdapter(mPagerAdapter);//设置TabLayout的模式
        tabLayout.setTabMode(TabLayout.MODE_FIXED);//让tablayout和Viewpager关联;
        tabLayout.setupWithViewPager(viewPager);}class  MPagerAdapter extends FragmentPagerAdapter{public MPagerAdapter(FragmentManager fm) {super(fm);}@Override
        public Fragment getItem(int position) {NewFragment fragment = new NewFragment();Bundle bundle = new Bundle();if(titleList.get(position).equals("柴晓凯")){bundle.putString("name","h");}else if(titleList.get(position).equals("倩倩")){bundle.putString("name","倩倩");}fragment.setArguments(bundle);return fragment;}@Override
        public int getCount() {return titleList.size();}//需要重写个返回标题的方法;
        @Override
        public CharSequence getPageTitle(int position) {return titleList.get(position);}}
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
    android:layout_height="match_parent"><TextView
        android:id="@+id/shuju"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="数据"/><TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/shuju"
        android:text="kkkk"/>
</RelativeLayout>

//显示VISIBLE

//INVISIBLE  占位

唐三 2018/01/16 19:09:44
显示隐藏布局/控件
可以写在点击事件中
layoutID.setVisibility(View.VISIBLE);//这一句显示布局LinearLayout区域

layoutID.setVisibility(View.GONE);//这一句即隐藏布局LinearLayout区域

monitor_area1.setVisibility(View.VISIBLE);//显示控件

monitor_area1.setVisibility(View.INVISIBLE);//隐藏控件

View.VISIBLE--->可见
View.INVISIBLE--->不可见，但这个View仍然会占用在xml文件中所分配的布局空间，不重新layout
View.GONE---->不可见，但这个View在ViewGroup中不保留位置，会重新layout，不再占用空间，那后面的view就会取代他的位置，

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